243101331041 has 2 divisors, whose sum is σ = 243101331042. Its totient is φ = 243101331040.

The previous prime is 243101331029. The next prime is 243101331089. The reversal of 243101331041 is 140133101342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219589708816 + 23511622225 = 468604^2 + 153335^2 .

It is a cyclic number.

It is not a de Polignac number, because 243101331041 - 2¹⁴ = 243101314657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243101330998 and 243101331016.

It is not a weakly prime, because it can be changed into another prime (243101331541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121550665520 + 121550665521.

It is an arithmetic number, because the mean of its divisors is an integer number (121550665521).

Almost surely, 2^243101331041 is an apocalyptic number.

It is an amenable number.

243101331041 is a deficient number, since it is larger than the sum of its proper divisors (1).

243101331041 is an equidigital number, since it uses as much as digits as its factorization.

243101331041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 243101331041 its reverse (140133101342), we get a palindrome (383234432383).

The spelling of 243101331041 in words is "two hundred forty-three billion, one hundred one million, three hundred thirty-one thousand, forty-one".